Boston Gear 18868 Thrust Bearing Washer Steel 7/8 in Id

Product Description

The BOSTON GEAR 18868 is a steel thrust bearing washer designed to manage axial loads in rotating shaft assemblies. At 7/8 inches inside diameter, 1-3/16 inches outside diameter, and 3/32 inches thick, this washer-style bearing fits cleanly into tight axial clearance applications. It is used between mating components to reduce friction and absorb thrust forces along the shaft axis. Weighing 0.1 pounds, it is a lightweight but durable component suited for mechanical drive systems, gearboxes, and industrial equipment. Installation is typically performed by maintenance mechanics and industrial technicians working on drive train or gear assembly service.

This thrust bearing washer is applicable in gearboxes, speed reducers, conveyor drives, and similar rotating equipment where axial load management is required at the shaft. The washer style makes it straightforward to stack or position during assembly. The 7/8 inch bore fits standard fractional shaft sizes common in light- to medium-duty industrial drive applications. It is sold individually and is suitable for both OEM assembly and field replacement scenarios.

Key Features

• Steel construction provides durability under axial load conditions
• 7/8 inch inside diameter fits standard fractional shaft sizes
• 1-3/16 inch outside diameter for compact radial footprint
• 3/32 inch thickness for precise axial spacing in tight assemblies
• Washer style allows simple drop-in positioning during shaft assembly
• Lightweight at 0.1 pounds, suitable for weight-sensitive assemblies

Compatibility

Designed as an OEM-style replacement thrust bearing washer for rotating shaft assemblies requiring a 7/8 inch bore, 1-3/16 inch outside diameter, and 3/32 inch thickness in steel washer style.

Installation Notes

Installation is typically performed by qualified maintenance mechanics or industrial technicians servicing gearboxes or drive assemblies. De-energize all equipment and lock out power before disassembly. Ensure the mating shaft and housing surfaces are clean and free of burrs before seating the washer. Do not force the washer onto the shaft with impact tools, as this can deform the bearing surface.